Home / 1,576.76-2,174.79-1,366.56

Finding the Fourth Proportional to 1,576.76, 2,174.79 and 1,366.56

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Solution

The fourth proportional to 1,576.76, 2,174.79 and 1,366.56 is: 1,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.76 : 2,174.79 = 1,366.56 : x
  2. Step 2: Convert to fraction form
    1,576.76/2,174.79 = 1,366.56/x
  3. Step 3: Cross multiply
    1,576.76x = 2,174.79 × 1,366.56
  4. Step 4: Simplify right side
    1,576.76x = 2,971,981.02
  5. Step 5: Solve for x
    x = 2,971,981.02/1,576.76
  6. Step 6: Final answer
    x = 1,884.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.